Northern Pacific Railway Company. Land Department. (1872). Settlers' guide to Oregon and Washington Territory, and to the lands of the Northern Pacific Railroad on the Pacific slopes.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Northern Pacific Railway Company. Land Department. Settlers' Guide to Oregon and Washington Territory, and to the Lands of the Northern Pacific Railroad on the Pacific Slopes. New York, 1872.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Northern Pacific Railway Company. Land Department. Settlers' Guide to Oregon and Washington Territory, and to the Lands of the Northern Pacific Railroad on the Pacific Slopes. 1872.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.